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NM27C256V-120 from NS,National Semiconductor

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NM27C256V-120

Manufacturer: NS

256K-Bit (32K x 8) High Performance CMOS EPROM

Partnumber Manufacturer Quantity Availability
NM27C256V-120,NM27C256V120 NS 64 In Stock

Description and Introduction

256K-Bit (32K x 8) High Performance CMOS EPROM # Introduction to the NM27C256V-120  

The NM27C256V-120 is a high-performance 256K-bit (32K x 8) UV-erasable programmable read-only memory (EPROM) designed for applications requiring non-volatile data storage. Operating at a speed of 120 nanoseconds, this component is well-suited for embedded systems, industrial controls, and legacy computing applications where reliable and fast data retrieval is essential.  

Featuring a single 5V power supply, the NM27C256V-120 offers low power consumption while maintaining robust performance. Its UV-erasable capability allows for multiple reprogramming cycles, making it ideal for development and prototyping stages. The device supports standard microprocessor interfaces, ensuring compatibility with a wide range of systems.  

With a durable ceramic or plastic package, the NM27C256V-120 is built to withstand demanding environments. Its straightforward addressing and data bus architecture simplify integration into existing designs. As an industry-standard EPROM, it remains a dependable choice for engineers working with legacy hardware or requiring non-volatile memory solutions.  

For applications demanding reliable, erasable, and reprogrammable memory, the NM27C256V-120 continues to be a trusted component in electronic design.

Application Scenarios & Design Considerations

256K-Bit (32K x 8) High Performance CMOS EPROM

Alternative Part Number

  • M27C256B-12F1 --: 256Kbit (32K x 8) UV EPROM with 120 ns access time, pin-compatible DIP-28 pinout and same 5V supply, a direct functional replacement.
  • AT27C256R-12PU --: 256Kbit OTP EPROM with 120 ns speed in a 28-pin DIP package, functionally equivalent and widely available as a drop-in substitute.
  • TMS27C256-12JL --: 256Kbit UV EPROM with 120 ns access time and standard 28-pin pinout, suitable as an alternative when the original NS part is unavailable.

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